E-tender for OFC repair and maintenance and OH normalization under TM Thiruvalla, under the jurisdiction of GM CNTX-S Ernakulam

Amount

Trenching and PLB laying

Horizontal Directional Drilling for laying of U/G PLB/ HDPE pipes(Max. 5 pipes) to a standard depth of 1.65m as specified in laying practices of OF Cable by HDD method

Horizontal Directional Drilling for laying of U/G PLB/ HDPE pipes (Max.3 pipes) to a standard depth of 1.65m as specified in laying practices of OF Cable by HDD method

Excavating trenches for depth of 165 cm for any type of soil (Urban) (for cases of lesser depth refer Clause 20 in Section VIII )

Excavating trenches for depth of 165 cm for any type of soil (Rural) (for cases of lesser depth refer Clause 20 in Section VIII )

Sub ducting through ROAD / RAIL AGENCY UTILITY DUCTS by lifting Slabs, laying One PLB

Digging of pit for jointing chamber, fixing of Pre-cast RCC/DWC Chamber, filling of RCC/DWC Chamber with clean sand ,placing of pre-cast RCC/DWC slabs on RCC/DWC chamber and back filling of jointing pit.

Overhead laying of 24F/48F

Digging of pits 85 cm depth and erection of AB post/ 6m/ 7.5m GI pole (in case of non-availability of BSNL AB Telephone posts)

OFC Preparation , Splicing and coiling inside Joint Pit with loss in the Limit of AT Standared of BSNL ie Splice loss should be <0.3 Db for single fibre (6F OFC/12F/24F/48F)-per Fibre

Supply of 3 Ft. dia. RCC Ring and Top slab

Aaryan Industries